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116 Commits

Author SHA1 Message Date
Devang Patel
8ec0c1c07b Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 18:27:52 +00:00
Eli Friedman
fc5d305597 Make the logic for determining function alignment more explicit. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 20:34:06 +00:00
Jay Foad
ddcdcc8863 Remove unused STL header includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130068 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-23 19:53:52 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Owen Anderson
95771afbfd Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 21:41:48 +00:00
Stuart Hastings
a901129169 Swap VT and DebugLoc operands of getExtLoad() for consistency with 
other getNode() methods.  Radar 9002173.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 16:23:55 +00:00
Richard Osborne
ff0c5014b2 Add support for trampolines on the XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124722 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 14:57:41 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Evan Cheng
0521928ae7 Re-implement r122936 with proper target hooks. Now getMaxStoresPerMemcpy 
etc. takes an option OptSize. If OptSize is true, it would return
the inline limit for functions with attribute OptSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 06:52:41 +00:00
Chris Lattner
f1b4eafbfe rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for 
something that just glues two nodes together, even if it is
sometimes used for flags.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 02:38:05 +00:00
Duncan Sands
1440e8b918 Inside the calling convention logic LocVT is always a simple 
value type, so there is no point in passing it around using
an EVT.  Use the simpler MVT everywhere.  Rather than trying
to propagate this information maximally in all the code that
using the calling convention stuff, I chose to do a mainly
low impact change instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 11:35:31 +00:00
Chris Lattner
6229d0acb8 update a bunch of code to use the MachinePointerInfo version of getStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:41:36 +00:00
Chris Lattner
da2d8e1032 eliminate an old SelectionDAG::getTruncStore method, propagating 
MachinePointerInfo around more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:42:31 +00:00
Chris Lattner
3d6ccfba31 propagate MachinePointerInfo through various uses of the old 
SelectionDAG::getExtLoad overload, and eliminate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:04:51 +00:00
Chris Lattner
d1c24ed81c convert the targets off the non-MachinePointerInfo of getLoad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:44:06 +00:00
Chris Lattner
e72f2027e9 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo 
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:40:29 +00:00
Dan Gohman
84023e0fbe Reapply bottom-up fast-isel, with several fixes for x86-32: 
- Check getBytesToPopOnReturn().
 - Eschew ST0 and ST1 for return values.
 - Fix the PIC base register initialization so that it doesn't ever
   fail to end up the top of the entry block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108039 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-10 09:00:22 +00:00
Bob Wilson
02266e29f9 --- Reverse-merging r107947 into '.': 
U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-09 16:37:18 +00:00
Dan Gohman
bf87e24917 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting 
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107943 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-09 00:39:23 +00:00
Dan Gohman
f595141525 Revert 107840 107839 107813 107804 107800 107797 107791. 
Debug info intrinsics win for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-08 01:00:56 +00:00
Evan Cheng
bcc8017c73 Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consistency sake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-07 22:15:37 +00:00
Dan Gohman
f423a69839 Add X86FastISel support for return statements. This entails refactoring 
a bunch of stuff, to allow the target-independent calling convention
logic to be employed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107800 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-07 18:32:53 +00:00
Dan Gohman
c9403659a9 Split the SDValue out of OutputArg so that SelectionDAG-independent 
code can do calling-convention queries. This obviates OutputArgReg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107786 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-07 15:54:55 +00:00
Dan Gohman
c9af33c685 CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext. 
SelectBasicBlock doesn't needs its BasicBlock argument.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 22:19:37 +00:00
Devang Patel
0d881dabc1 Propagate debug loc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 22:08:15 +00:00
Dan Gohman
14152b480d Reapply r107655 with fixes; insert the pseudo instruction into 
the block before calling the expansion hook. And don't
put EFLAGS in a mbb's live-in list twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 20:24:04 +00:00
Dan Gohman
258c58cc62 Revert r107655. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107668 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 15:49:48 +00:00
Dan Gohman
b81c771c0d Fix a bunch of custom-inserter functions to handle the case where 
the pseudo instruction is not at the end of the block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-06 15:18:19 +00:00
Evan Cheng
ed2ae136d2 Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-03 00:40:23 +00:00
Duncan Sands
90c64f4aac Remove initialized but otherwise unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-29 11:22:26 +00:00
Evan Cheng
211ffa1351 Code refactoring: pull SchedPreference enum from TargetLowering.h to TargetMachine.h and put it in its own namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 20:19:50 +00:00
Dan Gohman
af1d8ca44a Get rid of the EdgeMapping map. Instead, just check for BasicBlock 
changes before doing phi lowering for switches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:01:06 +00:00
Dan Gohman
d858e90f03 Use const qualifiers with TargetLowering. This eliminates several 
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 15:26:15 +00:00
Dan Gohman
46510a73e9 Add const qualifiers to CodeGen's use of LLVM IR constructs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:51:59 +00:00
Mon P Wang
20adc9dc46 Reapply address space patch after fixing an issue in MemCopyOptimizer. 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-04 03:10:48 +00:00
Mon P Wang
e754d3fb85 Revert r100191 since it breaks objc in clang 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 18:43:02 +00:00
Mon P Wang
e33c848fa4 Reapply address space patch after fixing an issue in MemCopyOptimizer. 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 18:04:15 +00:00
Bob Wilson
100f090add Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99948 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 22:27:04 +00:00
Mon P Wang
808bab0169 Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, 
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99928 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 20:55:56 +00:00
Richard Osborne
79a73fbeb3 Add dag combine to simplify lmul(x, 0, a, b) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 16:26:35 +00:00
Richard Osborne
f766ce5580 Switch XCore over to using inline jump table entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 14:58:56 +00:00
Richard Osborne
850f1cd3c0 Handle MVT::i64 type in DAG combine for ISD::ADD. Fold 64 bit 
expression add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if all
operands are zero extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 18:12:27 +00:00
Richard Osborne
ea670df852 Fix checking of intermediates having one use in isADDADDMUL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 17:16:29 +00:00
Richard Osborne
886d861355 Extract recognition of patterns such as add(add(mul(x,y),a),b) 
into a seperate function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98162 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 17:10:35 +00:00
Richard Osborne
25ab35e8c7 Fix thinko. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 16:27:11 +00:00
Richard Osborne
2dacd1e987 Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediate 
results are unused elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 16:19:31 +00:00
Richard Osborne
a2cc0613d0 Prefer LMUL to MACCU as LMUL has no tied operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 13:27:10 +00:00
Richard Osborne
a7e78402b8 Custom lower (S|U)MUL_LOHI -> MACC(S|U) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 13:20:07 +00:00
Richard Osborne
34f9d88221 Fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 11:42:05 +00:00
Richard Osborne
ebc64cf780 Lower add (mul a, b), c into MACCU / MACCS nodes which translate 
directly to the maccu / maccs instructions. We handle this in
ExpandADDSUB since after type legalisation it is messy to
recognise these operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98150 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 11:41:08 +00:00